Read Sony CDX-C5750 / CDX-C5850 Service Manual online
– 17 –
Carrier frequency: 1000 kHz
30% amplitude
modulation by
1 kHz signal
output level
30% amplitude
modulation by
1 kHz signal
output level
: 33 dB (44.7
µ
V)
Procedure:
1. Adjust IFT3 on TU601 so that the reading on the digital
1. Adjust IFT3 on TU601 so that the reading on the digital
voltmeter is 1.5
±
0.2 V.
Adjustment Location: tuner assy (TU601)
AM Auto Scan/Stop Level Adjustment
Setting:
SOURCE
n MODE button : AM
D-BASS switch (C5750)
: OFF
AM RF signal
generator
dummy
antenna
antenna
terminal
terminal
set
SPEAKER OUT
level
meter
meter
+
–
30
Ω
4
Ω
15 pF
30 pF
+
–
digital
voltmeter
voltmeter
S-METER OUT
Adjustment Location: tuner assy (TU601)
– tuner assy (TU601) (component side) –
AM AUTO
SCAN/STOP
LEVEL ADJ
IFT3
AM SENS
ADJ
IFT3 IFT1
FEB1
FM SENS/IF
ADJ
IFT4
FM CENTER
ADJ
– tuner assy (TU601) (conductor side) –
IC1
R24
S-METER
OUT
FM CENTER
OUT
OUT
‘
’
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